形状制御としてのスピノーダル型凝集による微細粒子の内部構造制御

DOI Web Site 被引用文献4件 参考文献14件
  • 山口 辰男
    Shibaura Institute of Technology, Minato–ku, Tokyo 108–8568
  • 仲井 俊顕
    Shibaura Institute of Technology, Minato–ku, Tokyo 108–8568
  • 浅沼 直哉
    Shibaura Institute of Technology, Minato–ku, Tokyo 108–8568
  • 小野 幸子
    Shibaura Institute of Technology, Minato–ku, Tokyo 108–8568
  • 武田 邦彦
    Shibaura Institute of Technology, Minato–ku, Tokyo 108–8568

書誌事項

タイトル別名
  • Steric Inner Structure Control of Fine Particles by Spinodal Decomposition as Shape Regulation Preparation.
  • ケイジョウ セイギョ ト シテ ノ スピノーダルガタ ギョウシュウ ニ ヨル ビサイ リュウシ ノ ナイブ コウゾウ セイギョ

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抄録

Silica particles which have relatively large micro pores were synthesized by the calcination of silica gel including well dispersed phosphorous and molybdenum compounds. The suspension solution which was not perfectly dissolved solution of silica and other inorganic compounds was dried in order to get rid of solvents and volatiles and successively calcinated. Afterwards, the compounds were dissolved with hot water. It newly showed that the average pore diameter was proportional to the square root of calcination time even when the pore diameter was in the region of sub-micron. The pore size and distribution were also able to be controlled by the relative ratio of the phosphorous and molybdenum compounds, especially it changed largely by the ration of (NH4 )6 Mo7 O24 4 H2O in the solution. They also depended on the melting points of multiple inorganic salts and their steric structure. The steric structure of the pores was like spinodal decomposition profiles which was expected that the pore size distribution was narrow. A new type porous glass which is different from the pore glass types made by boron-silicate and "shirasu" balloon could be prepared from a new multiple salts solution.

収録刊行物

  • 資源と素材

    資源と素材 115 (6), 475-480, 1999

    一般社団法人 資源・素材学会

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